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Deal.ai › Kay Jewelers › Rings
Kay Jewelers
Kay Jewelers Lab-Grown Diamonds Solitaire Engagement Ring 3 ct tw 14K

Kay Jewelers Lab-Grown Diamonds Solitaire Engagement Ring 3 ct tw 14K

Best price now

$3,599.99at Kay JewelersChecked 4 h ago

Compared across 2 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.

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Price facts

  • Lowest price today: $3,599.99 at Kay Jewelers (checked Nov 14, 2026).
  • Checked at 2 stores.

Our take on the Kay Jewelers Lab-Grown Diamonds Solitaire Engagement Ring 3 ct tw 14K

A 14K white gold solitaire engagement ring set with a 3-carat round lab-grown diamond in a prong setting. The center stone is independently certified and laser-inscribed with a Gemscribe serial number, so the stone can be traced back to its grading report. It suits shoppers who want a large, bright solitaire look and are comfortable with a lab-grown stone. Against natural-diamond solitaires of the same size, lab-grown gives far more size for the money, but resale value is much lower and some buyers still prefer a mined stone.

Best forShoppers who want a large solitaire lookBuyers open to lab-grown diamondsClassic four-prong solitaire fansProposals on a moderate budget
Pros
  • 3-carat round center stone gives a big, bright look
  • 14K white gold band with a polished finish
  • Independently certified lab-grown center diamond
  • Gemscribe serial number laser-inscribed on the stone
  • Simple prong-set solitaire that won't date
Cons
  • Lab-grown stones hold little resale value
  • A 3-carat stone sits high and can catch on clothing
  • White gold needs periodic rhodium replating
  • Solitaire leaves no side-stone sparkle

Kay Jewelers Lab-Grown Diamonds Solitaire Engagement Ring 3 ct tw 14K prices at every store

  • Kay JewelersNew

    In stock

    $3,599.99Free shippingChecked 4 h ago
    Visit Kay Jewelers
  • Kay JewelersNew

    In stock

    $3,749.99Free shippingChecked 4 h ago
    Visit Kay Jewelers

Store links may earn us a commission. Some prices via Klarna.

Kay Jewelers Lab-Grown Diamonds Solitaire Engagement Ring 3 ct tw 14K price history

$4,999.99$3,599.99
Oct 31Nov 14

Lowest price we've seen: $3,599.99 on Nov 14 at Kay Jewelers; highest $4,999.99 on Oct 31. Tracked across 2 stores since Oct 31.

From Kay Jewelers

  • 3-carat round lab-grown diamond center stone
  • Solitaire engagement ring design for her
  • Crafted in 14K white gold with polished finish
  • Lab-grown diamonds are independently certified
  • Center diamond laser-inscribed with a unique Gemscribe® serial number
  • Prong setting
Sizes
7.0
Materials
14K white gold; lab-grown diamond; electroplated with rhodium or finished with an e-coating
Fit
Standard ring size 7.0
Sizing
Standard ring size is 7.0; a size guide is available on the page
Care
Rhodium or e-coating finishes may wear off with frequent use; ask a jewelry consultant for details
Guarantee
Lifetime Diamond Commitment and Lifetime Lab-Grown Diamond Commitment; eligible for trade-in under the Lifetime Diamond Trade-In Policy
Returns
Return within 30 days of purchase or exchange within 60 days; exchanges must be done at a store; online purchases may be returned to any store or by mail to the
Shipping
Ship to you, to your store, or to a UPS Access Point near you; free shipping offer may be modified or terminated at any time without notice
In the box
Engagement ring

About the Kay Jewelers Lab-Grown Diamonds Solitaire Engagement Ring 3 ct tw 14K

This solitaire engagement ring has a 3-carat round lab-grown diamond as its center stone. The total diamond weight is 3 ct tw. The diamond is held in a prong setting.

The ring is crafted in 14K white gold with a polished finish. The metal is electroplated with rhodium or finished with an e-coating. The center lab-grown diamond is independently certified and laser-inscribed with a unique Gemscribe® serial number.

Style
Solitaire engagement ring
Metal
14K white gold, polished finish
Finish
Electroplated with rhodium or finished with an e-coating
Center stone
3 carat round lab-grown diamond
Total weight
3 ct tw
Cut
Round
Setting
Prong
Certification
Independently certified; center diamond laser-inscribed with a unique Gemscribe® serial number
Ring size
7.0
Care
Rhodium or e-coating finishes may wear off with frequent use
In the box
Engagement ring

Specifications

Style
Engagement Ring
Cut
Round
Karat
14kSource
Diamond Clarity
VS (1-2)Source
Rings
Solitaire RingSource
Material

Questions and answers

Is a lab-grown diamond a real diamond?
Yes. It is chemically and optically the same as a mined diamond, just grown in a lab. This one is independently certified, so its grade comes from a lab report, not the seller.
What does the Gemscribe inscription mean?
A unique serial number is laser-inscribed on the stone's girdle and linked to its certification. A jeweler can read it under magnification to confirm the diamond matches its report.
How does this compare with a natural-diamond solitaire?
You get a much larger stone for the same spend. The trade-off is resale: lab-grown diamonds resell for far less than mined ones of the same size.
Will a 3-carat stone fit everyday wear?
It is a large, high-set stone, so it can catch on sleeves and gloves. Many owners wear a plain band alongside it or save the ring for occasions.
What is in the box?
The engagement ring only. Ask about the certification document and a ring box if you need them for the proposal.
Can the ring be resized?
A plain 14K white gold solitaire band can usually be resized by a jeweler. Have it sized before the proposal, since resizing after wear takes longer.
Where is the Kay Jewelers Lab-Grown Diamonds Solitaire Engagement Ring 3 ct tw 14K cheapest?
At Kay Jewelers, for $3,599.99, as of our latest check.

Stores we've priced the Kay Jewelers Lab-Grown Diamonds Solitaire Engagement Ring 3 ct tw 14K at

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